Fair Value Measurements Using Significant Unobservable Inputs Level 3 (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Mar. 13, 2015 |
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
Sep. 30, 2014 |
|
| Balance | $ 6,270,000 | |||||
| Modification of warrants, net of Inducement Shares | $ 624,016 | $ 927,373 | 896,763 | |||
| Exercises of Warrants | (75,321) | $ 0 | (299,321) | $ 0 | ||
| Adjustments to estimated fair value | 0 | $ 0 | 0 | 7,541,693 | ||
| Balance | $ 6,270,000 | |||||
| Fair Value, Inputs, Level 3 | ||||||
| Balance | 6,270,000 | $ 0 | 0 | |||
| Issuances | 10,391,693 | |||||
| Adjustments to estimated fair value | (4,121,693) | |||||
| Balance | 6,270,000 | |||||
| Fair Value, Inputs, Level 3 | Private Placement Financing [Member] | ||||||
| Balance | 6,270,000 | |||||
| Modification of warrants, net of Inducement Shares | 896,763 | |||||
| Exercises of Warrants | (299,321) | |||||
| Adjustments to estimated fair value | (2,980,829) | |||||
| Balance | $ 3,886,613 | $ 3,886,613 | $ 6,270,000 | |||